
* dispmac.hs ... In-line Serial Display Driver
* ============================================

************************************************************************
*                                                                      *
*                  Copyright Hewlett-Packard Co. 1991                  *
*                                                                      *
************************************************************************

************************************************************************
*                                                                      *
*  WATCHDOG_RESET is a MACRO that resets the watchdog timer to prevent *
*  the software watchdog timeout from causing a system reset.  This    *
*  macro is used by assembly routines like poweron and fatal error.    *
*                                                                      *
************************************************************************

WATCHDOG_RESET  MACRO                           ;No parameters

                move.b          #$55,SWSR       ;Reset watchdog timer
                move.b          #$AA,SWSR

                ENDM

